779074941487 has 2 divisors, whose sum is σ = 779074941488. Its totient is φ = 779074941486.

The previous prime is 779074941451. The next prime is 779074941493. The reversal of 779074941487 is 784149470977.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-779074941487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (779074941497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 389537470743 + 389537470744.

It is an arithmetic number, because the mean of its divisors is an integer number (389537470744).

Almost surely, 2^779074941487 is an apocalyptic number.

779074941487 is a deficient number, since it is larger than the sum of its proper divisors (1).

779074941487 is an equidigital number, since it uses as much as digits as its factorization.

779074941487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 99574272, while the sum is 67.

The spelling of 779074941487 in words is "seven hundred seventy-nine billion, seventy-four million, nine hundred forty-one thousand, four hundred eighty-seven".